42 lines
896 B
C++
42 lines
896 B
C++
// (C) Copyright John Maddock 2005.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef NTL_STD_CXX
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# define NTL_STD_CXX
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#endif
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#include <iostream>
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#include <iomanip>
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#include "mp_t.hpp"
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mp_t log1p(mp_t arg)
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{
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return log(arg + 1);
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}
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mp_t expm1(mp_t arg)
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{
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return exp(arg) - 1;
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}
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int main()
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{
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mp_t r, root_two;
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r = 1.0;
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root_two = 2.0;
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root_two = sqrt(root_two);
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r /= root_two;
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mp_t lim = pow(mp_t(2), mp_t(-128));
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std::cout << std::scientific << std::setprecision(40);
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while(r > lim)
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{
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std::cout << " { " << r << "L, " << log1p(r) << "L, " << expm1(r) << "L, }, \n";
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std::cout << " { " << -r << "L, " << log1p(-r) << "L, " << expm1(-r) << "L, }, \n";
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r /= root_two;
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}
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return 0;
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}
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